Capital is dead labor, which, vampire-like, lives only by sucking living labor, and lives the more, the more labor it sucks.

The ruling ideas of each age have ever been the ideas of its ruling class.

We have no compassion and we ask no compassion from you. When our turn comes, we shall not make excuses for the terror.

The traditions of the dead generations weigh like a nightmare upon the living.

In the eyes of dialectical philosophy, nothing is established for all times, nothing is absolute or sacred.

Nature is man's inorganic body -- that is to say, nature insofar as it is not the human body. Man lives from nature -- i.e., nature is his body -- and he must maintain a continuing dialogue with it is he is not to die. To say that man's physical and mental life is linked to nature simply means that nature is linked to itself, for man is a part of nature.

[Napoleon] swept away everywhere the establishments of feudality. ... [He was] Caesar himself.